svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.expressionevaluator / org.gvsig.expressionevaluator.lib / org.gvsig.expressionevaluator.lib.impl / src / main / java / org / gvsig / expressionevaluator / impl / function / spatial / STNumPointsFunction.java @ 43518
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| 1 | 43512 | jjdelcerro | package org.gvsig.expressionevaluator.impl.function.spatial; |
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| 2 | |||
| 3 | import org.apache.commons.lang3.Range; |
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| 4 | import org.gvsig.expressionevaluator.spi.AbstractFunction; |
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| 5 | 43518 | jjdelcerro | import org.gvsig.fmap.geom.Geometry; |
| 6 | import org.gvsig.fmap.geom.primitive.OrientablePrimitive; |
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| 7 | 43512 | jjdelcerro | |
| 8 | 43518 | jjdelcerro | public class STNumPointsFunction extends AbstractFunction { |
| 9 | 43512 | jjdelcerro | |
| 10 | 43518 | jjdelcerro | public STNumPointsFunction() {
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| 11 | super("OGC", "ST_NumPoints", Range.is(1)); |
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| 12 | 43512 | jjdelcerro | } |
| 13 | |||
| 14 | @Override
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| 15 | public Object call(Object[] args) throws Exception { |
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| 16 | 43518 | jjdelcerro | Geometry geom = getGeom(args, 0);
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| 17 | if ( geom instanceof OrientablePrimitive ) { |
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| 18 | int n = ((OrientablePrimitive) geom).getNumVertices();
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| 19 | return n;
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| 20 | } |
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| 21 | return null; |
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| 22 | 43512 | jjdelcerro | } |
| 23 | |||
| 24 | } |